Markertek News Channel coverage of the complete new line of HD-SDI conversion, distribution and transmission over fiber optic from Kramer Electronics at NAB 2009. Markertek has been distributing Kramer Electronics since 1991. Kramer offers a full line of high quality and cost-effective routers, switchers, combiners, A/V computer signal processing equipment, distribution amplifiers, digital and analog decoders and encoders, scan converters and scalers. Our vast inventory and quick shipping makes Markertek the most reliable source for the entire Kramer Electronics product line.